Why the study?
Does physical training or PTCA improve QTc dispersion in patients with recent myocardial infarction?
Does physical training or PTCA improve QTc dispersion in patients with recent myocardial infarction?
Physical training and PTCA may improve electrical instability in patients with recent MI by reducing QTc dispersion, likely due to the improvement of myocardial ischemia.
Answers are grounded in this paper and cite their sources.
Physical training and PTCA were associated with reduced QTc dispersion post-MI; hypothesis-generating and requires randomized confirmation before practice change.
The aim of the present study was to assess whether physical training and percutaneous transluminal coronary angioplasty (PTCA) improve the corrected QT (QTc) dispersion in patients with recent myocardial infarction (MI). Twenty-four patients with recent MI were allocated to one of 3 groups: training (n = 8), PTCA (n = 7) or controls (n = 9). Physical training as well as PTCA decreased QTc dispersion, whereas QTc dispersion increased in the control group. Changes in QTc dispersion after physical training or PTCA were inversely correlated with exercise-induced ST depression at the baseline test. These observations suggest that physical training, as well as PTCA, could improve QTc dispersion and electrical instability in patients with recent MI, possibly due to improvement of myocardial ischemia.
No takes yet. Share an insight, caveat, or question.
Kanaya et al. (2000) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: